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The stratosphere
They do! Where do you think they take off from??
Is the upper stratosphere is cooler than the lower stratosphere?\
Is the upper stratosphere is cooler than the lower stratosphere?\
Is the upper stratosphere is cooler than the lower stratosphere?\
I could while landing, but the higher the aircraft the thinner the aircraft could travel faster. Also, the engines on a Concorde were extremely loud, so it flew higher so it wasn't a nuisance.
Because people don't like (Most people, anyway) the noise of the "Sonic Boom"
It is above the troposphere.
Yes, the upper stratosphere is colder than the lower stratosphere. This is because the stratosphere is heated from below by the Earth's surface, so as you move higher in the atmosphere, the temperature decreases. The temperature inversion between the lower and upper stratosphere is due to the absorption of solar radiation by ozone in the upper stratosphere.
The stratosphere begins about 10 kilometers (6 miles) above the Earth, or at an altitude of about 33,000 feet. Commercial aircraft travel in the lower stratosphere, where the air is thinner and aerodynamic drag is lower. Towering cumulonimbus clouds can reach into the stratosphere from the troposphere, and rarely high cirrus clouds (including condensation trails from aircraft). The stratosphere extends to about 50 kilometers (31 miles) above the surface. The stratosphere is closer at the polar latitudes, with the lower limit being about 8 kilometers (5 miles).
No. The jet stream is in the upper troposphere and lower stratosphere.
The stratosphere is the layer above the troposphere (where we live). The ozone layer is found in the lower stratosphere. The stratosphere is the lowest layer where temperature increases with increasing altitude.